Chem. Commun.

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Luminescent europium(III)-[small beta]-diketonate complexes hosted in nanozeolite L as turn-on sensors for detecting basic molecules

15 October, 2014 - 12:17

Chem. Commun., 2014, 50,13680-13682
DOI: 10.1039/C4CC05635C, CommunicationPeng Li, Yuzhao Zhang, Yige Wang, Yanji Wang, Huanrong Li
A very simple, effective and robust platform for detecting basic molecule vapors based on the encapsulation of Eu3+-[small beta]-diketonate complexes within a nanozeolite L framework using Lundford's ship-in-a-bottle procedure is reported.
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A lysosome-targeted fluorescent chemodosimeter for monitoring endogenous and exogenous hydrogen sulfide by in vivo imaging

15 October, 2014 - 12:17

Chem. Commun., 2014, 50,13833-13836
DOI: 10.1039/C4CC05539J, CommunicationXiao Ju Zou, Yi Cheng Ma, Lin E. Guo, Wen Xiang Liu, Mei Juan Liu, Cheng Gang Zou, Ying Zhou, Jun Feng Zhang
A lysosome-targeted fluorescent chemodosimeter was developed for monitoring endogenous and exogenous H2S by in vivo imaging of HeLa cells, D. melanogaster and mutated C. elegans (SRP-6nulls).
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A rapid and sensitive detection of HBV DNA using a nanopore sensor

15 October, 2014 - 12:17

Chem. Commun., 2014, 50,13853-13856
DOI: 10.1039/C4CC06135G, CommunicationFujun Yao, Yani Zhang, Yongfeng Wei, Xiaofeng Kang
The simplest single-molecule nanopore sensor can be used for the rapid and sensitive detection of pathogenic DNA at the single-base recognition level.
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Evidence for covalent bonding of aryl groups to MnO2 nanorods from diazonium-based grafting

15 October, 2014 - 12:17

Chem. Commun., 2014, 50,13687-13690
DOI: 10.1039/C4CC05606J, CommunicationK. J. Bell, P. A. Brooksby, M. I. J. Polson, A. J. Downard
Reaction of MnO2 nanorods with diazonium salts results in aryl groups covalently bound through surface oxygen atoms.
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Electrophilic iodine(I) compounds induced semipinacol rearrangement via C-X bond cleavage

15 October, 2014 - 12:17

Chem. Commun., 2014, 50,13691-13694
DOI: 10.1039/C4CC06014H, CommunicationNobuya Tsuji, Yusuke Kobayashi, Yoshiji Takemoto
N-Iodosuccinimide and N-iodosaccharin proved to be efficient reagents for C-X bond cleavage of various [small alpha]-silyloxyhalides, promoting semipinacol rearrangement.
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Organohalide lead perovskite based photodetectors with much enhanced performance

15 October, 2014 - 12:17

Chem. Commun., 2014, 50,13695-13697
DOI: 10.1039/C4CC05960C, CommunicationHua-Rong Xia, Jia Li, Wen-Tao Sun, Lian-Mao Peng
Organohalide lead perovskite (CH3NH3PbI3) based photodetectors were fabricated by a facile low-cost process with much enhanced performance.
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DNA-regulated silver nanoclusters for label-free ratiometric fluorescence detection of DNA

15 October, 2014 - 12:17

Chem. Commun., 2014, 50,13698-13701
DOI: 10.1039/C4CC04615C, CommunicationLin Liu, Qianhui Yang, Jianping Lei, Nan Xu, Huangxian Ju
Two kinds of DNA-templated Ag nanoclusters were one-pot synthesized on an oligonucleotide for ratiometric fluorescence detection of target DNA.
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Invasive reaction assisted strand-displacement signal amplification for sensitive DNA detection

15 October, 2014 - 12:17

Chem. Commun., 2014, 50,13722-13724
DOI: 10.1039/C4CC06079B, CommunicationBingjie Zou, Qinxin Song, Jianping Wang, Yunlong Liu, Guohua Zhou
An extension-block base in a molecular beacon enables beacon-assisted strand-displacement amplification to couple with invasive reaction efficiently by flap extension.
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Porous polymer-based monolithic layers enabling pH triggered switching between superhydrophobic and superhydrophilic properties

15 October, 2014 - 12:17

Chem. Commun., 2014, 50,13809-13812
DOI: 10.1039/C4CC05915H, CommunicationYongqin Lv, Yao Cao, Frantisek Svec, Tianwei Tan
Porous polymer monolithic layers that enable reversible pH-responsive switching between superhydrophilicity and superhydrophobicity have been prepared via a "thiol-ene" click reaction.
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Potential-controlled rotaxane molecular shuttles based on electron-deficient macrocyclic complexes

15 October, 2014 - 12:17

Chem. Commun., 2014, 50,13718-13721
DOI: 10.1039/C4CC06718E, CommunicationM. Wozny, J. Pawlowska, K. M. Tomczyk, R. Bilewicz, B. Korybut-Daszkiewicz
A potential-controlled molecular switch exhibits two different dynamic processes - the translocation of the rotaxane ring occurs simultaneously with folding/unfolding of the axle.
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Monocrystalline mesoporous metal oxide with perovskite structure: a facile solid-state transformation of a coordination polymer

15 October, 2014 - 12:17

Chem. Commun., 2014, 50,13849-13852
DOI: 10.1039/C4CC06101B, CommunicationLi Xu, Fan-Xing Bu, Ming Hu, Chuan-Yin Jin, Dong-Mei Jiang, Zhen-Jie Zhao, Qing-Hong Zhang, Ji-Sen Jiang
Monocrystalline mesoporous BiFeO3 crystals were obtained via a multi-step single-crystal to single-crystal transformation of a coordination polymer, Bi[Fe(CN)6][middle dot]4H2O.
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Direct enzyme-substrate affinity determination by real-time hyperpolarized 13C-MRS

15 October, 2014 - 12:17

Chem. Commun., 2014, 50,13801-13804
DOI: 10.1039/C4CC05418K, CommunicationL. J. Friesen-Waldner, C. N. Wiens, T. P. Wade, K. Thind, K. P. Sinclair, Y. Hovav, J. M. Gomori, J. Sosna, C. A. McKenzie, R. Katz-Brull
A direct determination of Km, a fundamental measure of enzyme-substrate affinity, is now possible without sample manipulation by real-time hyperpolarized 13C-MRS.
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In situ formation of enzyme-free hydrogels via ferromagnetic microbead-assisted enzymatic cross-linking

15 October, 2014 - 12:17

Chem. Commun., 2014, 50,13710-13713
DOI: 10.1039/C4CC04436C, CommunicationJin Woo Bae, Bae Young Kim, Eugene Lih, Jong Hoon Choi, Yunki Lee, Ki Dong Park
This work reports a new in situ enzymatic crosslinking method to prepare mechanically tunable hydrogels not possessing an enzyme.
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The crosslink enhanced emission (CEE) in non-conjugated polymer dots: from the photoluminescence mechanism to the cellular uptake mechanism and internalization

15 October, 2014 - 12:17

Chem. Commun., 2014, 50,13845-13848
DOI: 10.1039/C4CC05806B, CommunicationShoujun Zhu, Lei Wang, Nan Zhou, Xiaohuan Zhao, Yubin Song, Suraj Maharjan, Junhu Zhang, Laijin Lu, Haiyu Wang, Bai Yang
The crosslink enhanced emission (CEE) in a new type of non-conjugated polymer dots (PDs) is reported.
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Procedure-dependent construction of two isomers of trimeric self-assembled boronic esters

15 October, 2014 - 12:17

Chem. Commun., 2014, 50,13683-13686
DOI: 10.1039/C4CC05836D, CommunicationKosuke Ono, Ryo Aizawa, Taiki Yamano, Suguru Ito, Nobuhiro Yasuda, Kohei Johmoto, Hidehiro Uekusa, Nobuharu Iwasawa
Selective construction of two kinds of trimeric boronic esters was realized. A capsule-like trimer was constructed by the direct connection of different self-assembled boronic esters, while a tricyclic trimer was obtained by the self-assembly of pre-connected components.
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Orienting the heterocyclic periphery: a structural model for chloroquine's antimalarial activity

15 October, 2014 - 12:17

Chem. Commun., 2014, 50,13765-13768
DOI: 10.1039/C4CC05328A, CommunicationErin L. Dodd, D. Scott Bohle
A fluorescent structurally characterized chloroquine-metalloporphyrin adduct has been prepared and characterized. This allows for new insights into antimalarial drug-heme interactions.
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Supported core-shell nanobiosensors for quantitative fluorescence imaging of extracellular pH

15 October, 2014 - 12:17

Chem. Commun., 2014, 50,13746-13749
DOI: 10.1039/C4CC06075J, CommunicationJeremie Asselin, Carl Roy, Denis Boudreau, Younes Messaddeq, Rihab Bouchareb, Patrick Mathieu
"Click" chemistry was used to functionalize silica substrates with pH-sensitive nanoparticles, thus producing uniform and highly luminescent ion-sensitive surfaces for quantitative and spatially-resolved extracellular measurements on live cells.
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Hybrid high internal phase emulsion (HIPE) organogels with oil separation properties

15 October, 2014 - 12:17

Chem. Commun., 2014, 50,13821-13824
DOI: 10.1039/C4CC06674J, CommunicationTao Zhang, Yuanpeng Wu, Zhiguang Xu, Qipeng Guo
Hybrid HIPE organogels were prepared from pre-formed hybrid organogels which were formed from a triblock ionomer and Fe3O4 nanoparticles via charge-driven assembly. Magnetic materials can be obtained from these hybrid HIPE organogels simply by removal of solvents, and these novel materials have been confirmed to be excellent candidates for absorption of oil from water.
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Synthesis and properties of DNA oligonucleotides with a zwitterionic backbone structure

15 October, 2014 - 12:17

Chem. Commun., 2014, 50,13742-13745
DOI: 10.1039/C4CC06371F, CommunicationBoris Schmidtgall, Anatol P. Spork, Falk Wachowius, Claudia Hobartner, Christian Ducho
Oligonucleotides with (partially) zwitterionic backbone structures show duplex formation with native polyanionic counterstrands and retained sensitivity towards base-pairing mismatches.
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Single-crystal growth of coordination networks via the gas phase and dependence of iodine encapsulation on the crystal size

15 October, 2014 - 12:17

Chem. Commun., 2014, 50,13793-13796
DOI: 10.1039/C4CC06342B, CommunicationTatsuhiro Kojima, Wanuk Choi, Masaki Kawano
Three kinds of coordination networks were selectively obtained via the gas phase. Thermodynamic control via the gas phase produced the first example of the single-crystal formation of a porous network. As a result of this single-crystal growth, we were able to show the dependence of guest encapsulation on the crystal size.
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